package study.d_09_02;

import java.util.Scanner;

public class practice3 {
    public static void main(String[] args){

        //总价
        int price=100;
        //录入会员级别
        Scanner sc=new Scanner(System.in);
        int vip=sc.nextInt();
        //判断
        if(vip==1){
            System.out.println("商品价格是："+(price*0.9));
        }
        else if(vip==2){
            System.out.println("商品价格是："+(price*0.8));
        } else if(vip==3){
            System.out.println("商品价格是："+(price*0.7));
        } else{
            System.out.println("商品价格是："+price);
        }
    }
}
